Amundsen Sports - 5Mila Men's Half Zip: Stormy Blue/Navy Stripe

Engineered for year-round performance, this lightweight half-zip midlayer is crafted from a premium merino wool and polyamide blend designed for active versatility. The advanced Sportwool™ fabric delivers natural moisture-wicking and antibacterial properties while balancing insulation in cold conditions with breathability as temperatures rise.

Built with 2-way stretch construction, this performance layer moves comfortably with the body, making it ideal for hiking, skiing, travel, and everyday outdoor wear. The slim fit creates a streamlined silhouette that layers easily under outerwear, while the half-zip opening allows adjustable ventilation for changing conditions.

Whether worn as a base layer in winter or a standalone midlayer in transitional seasons, this merino wool performance top provides dependable warmth, comfort, and mobility for any adventure.